Springfield Armory's National Match M1A was designed for one purpose, winning competitions. The National Match M1A has a glass bedded walnut stock, medium-weight National Match barrel, 4.5-5lb National match two-stage trigger, National Match recoil spring guide and match-tuned gas cylinder. The National Match M1A has a rear aperture sight with 1/2 MOA adjustments for both windage and elevation. The front sight black is 0.062" and the hooded rear aperture is 0.0595".